123178280

素因数分解:

$2^3\times 5^1\times {\mathrm{3079457}}^1$

素因数の和:3079468

約数の個数: 16

約数和(自身を含む): 277151220

約数和(自身を除く): 153972940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3079457, 6158914, 12317828, 15397285, 24635656, 30794570, 61589140, 123178280]

約数ペア:

[(1, 123178280), (2, 61589140), (4, 30794570), (5, 24635656), (8, 15397285), (10, 12317828), (20, 6158914), (40, 3079457)]